M. Q. TRAN, B. D. TRAN, MOHAMMED IQBAL SHUEB, and KAMARUDDIN BIN HASHIM, “IMPROVEMENT OF THERMAL STABILITY OF THE PLASTICIZED POLY(L-LACTIC ACID) PLLA BY RADIATION CROSSLINKING”, Nucl. Sci. and Tech., vol. 2, no. 2, pp. 1-6, Jun. 2012.